Professional roof cleaning and moss treatment across North London. Restore your roof's appearance and extend its lifespan safely.
North London's tree-lined streets and damp climate create ideal conditions for moss, algae and lichen. Left untreated, moss retains moisture against tiles, forces under overlaps, and accelerates deterioration. We remove growth safely and apply preventative treatments.
Finchley's mature tree canopy creates the ideal conditions for moss colonisation — persistent shade, trapped humidity, and leaf debris that retains moisture against tile surfaces. North-facing roof slopes on Ballards Lane, High Road N12, High Road N2, Regent's Park Road, East End Road, Long Lane and surrounding streets are worst affected, with some developing moss coverage thick enough to lift tile edges and trap water. The urban environment adds pollution particles that create a nutrient-rich surface layer accelerating biological growth beyond what you'd see in rural areas.
We never pressure wash roof tiles in Finchley — or anywhere. High-pressure water drives moisture under tiles, strips protective surface coatings, and can crack ageing tiles. Instead, we apply a professional-grade biocide solution that kills moss, algae, and lichen at the root. After 2–3 weeks the dead growth is brushed off gently. On Finchley's older tiles — particularly the handmade clay tiles on Edwardian properties — this gentle approach preserves the tile surface while eliminating biological growth completely.
After cleaning your Finchley roof, we apply a zinc-based or copper-based biocide treatment that inhibits regrowth for 3–5 years. For properties in Finchley's most shaded locations, we recommend zinc ridge strips — thin zinc strips fitted beneath the ridge tiles that release natural fungicide with every rainfall, providing continuous protection across the entire roof slope. At £8–£12 per metre, they're one of the most cost-effective long-term roof maintenance investments for Finchley homeowners.
Finchley is quintessential North London suburbia — tree-lined avenues of 1920s and 1930s semi-detached houses with hipped roofs covered in concrete tiles. East Finchley has a distinct pocket of Arts and Crafts cottages near the tube station with handmade clay tile roofs and half-timbered gables. North Finchley's larger detached houses along Woodside Park feature clay plain tiles and prominent chimney stacks. The mature tree canopy creates heavy leaf-fall and persistent shade.
Extensive moss colonisation from shaded tree-lined streets is Finchley's signature issue — it lifts tile edges and retains moisture against the surface. Hip and ridge mortar failure on 1930s roofs, sagging felt underlay on re-roofed properties, valley tile displacement from thermal movement, and cracked concrete tiles from decades of freeze-thaw cycling are all regular repairs.
Our team regularly provides roof cleaning & moss removal on Ballards Lane, High Road N12, High Road N2, Regent's Park Road, East End Road, Long Lane and surrounding residential streets throughout Finchley.
Call 0203 538 0907 for a free roof cleaning & moss removal quote in Finchley.
💰 £400–£1,500
📍 Finchley, N3
⭐ 127 reviews · 4.9★
🛡️ 10-year guarantee
"Soft-washed the entire roof and applied biocide treatment. The moss was so thick it was lifting tile edges. Two weeks later the moss was dead, they returned to brush off the debris. Roof looks new."
"Moss removal, tile replacement where growth had damaged them, and zinc strip installation along the ridge to prevent regrowth. Comprehensive and well-explained."
"They cleaned our roof without pressure washing — important because our tiles are old and fragile. The biocide treatment has kept moss at bay for over a year now."
Need a Roofer? Call Now for a Free Quote
No call-out fee · Same-day emergency response · 10-year guarantee
0203 538 0907All prices are guide ranges based on typical North London properties. We provide free, itemised written quotes after inspecting your specific roof. No hidden costs, no surprises.
Note: Prices include materials and labour. Scaffolding quoted separately where required. VAT-registered — VAT included in all quotes. All work guaranteed for 10 years.
Call 0203 538 0907 for your free quote.
We visit your Finchley property at a time that suits you. Our roofer inspects from ladder level and, where safe, walks the roof. We photograph every issue and explain what we find in plain English — no jargon, no pressure.
Within 24 hours of the inspection, you receive a detailed written quote itemising every element of the work — materials, labour, scaffolding, waste removal. The price you see is the price you pay. No hidden extras, no surprises on completion.
Our team arrives on the agreed date, completes the work to the specification quoted, and cleans up thoroughly. We take completion photographs and walk you through what we've done. You receive a 10-year written guarantee before we leave.
Your 10-year guarantee means if any issue arises from our work, we return and fix it at no cost. We're a local Finchley business — we're not going anywhere. Many of our customers use our annual gutter cleaning and inspection service to maintain their roof proactively.
We work with every roofing material found across Finchley and specify the right product for each property type. We never use cheap substitutes or cut corners on material quality — the materials we install are backed by manufacturer warranties of 15–30 years in addition to our own 10-year workmanship guarantee.
Welsh, Spanish, reclaimed. For period properties and conservation areas.
Handmade and machine-made. Plain tiles, pantiles, and decorative hung tiles.
Marley, Redland, Forticrete. Interlocking and plain profiles for 1930s+ properties.
GRP fibreglass, EPDM rubber, torch-on felt. Topseal, Firestone, ClassicBond approved.
Codes 3–6 milled lead. Flashings, valleys, flat coverings. LSA trained installers.
Mechanical ridge and hip fixing. Storm-proof, maintenance-free alternative to mortar bedding.
Not sure which material is right for your Finchley property? Call 0203 538 0907 — we'll advise based on your property type, budget, and any conservation area requirements.
Every completed project receives a written 10-year workmanship guarantee. If any defect arises from our installation or repair work within 10 years, we return and fix it at no cost. The guarantee is transferable if you sell your property — an asset for any future buyer.
We carry £5 million public liability insurance and £10 million employer's liability insurance. Certificates are available on request before any work begins. You are completely protected on every job we undertake on your property.
Registration with the National Federation of Roofing Contractors means we meet independently assessed standards for quality, safety, and workmanship. NFRC membership is a reliable indicator of a professional, competent roofing contractor.
Spring (March–May): The ideal time for a professional inspection in Finchley. Winter damage is visible — cracked mortar, displaced tiles, failed flashings — and you're ahead of the autumn storm season. Book a free inspection now and address any issues before they worsen over summer.
Summer (June–August): The best conditions for major roofing work in Finchley. Dry weather allows full strip-and-retile projects, flat roof installations, and chimney rebuilds. Lead work is easier in warm temperatures when the metal is more malleable. If you're planning a roof replacement, summer is the optimal window.
Autumn (September–November): Clear gutters and valleys of leaf debris — critical in Finchley's tree-lined streets. Check ridge tiles and flashings before winter storms arrive. A pre-winter roof check costs nothing (we do it free) and can prevent expensive emergency repairs in December and January.
Winter (December–February): Emergency repairs only where possible. Frost, ice, and short days limit what can be safely done on a roof. However, if you have an active leak or storm damage, we respond same-day regardless of conditions. Call 0203 538 0907 any time — 24/7 emergency line.
£400–£1,500 depending on scope. Free quotes in Finchley — call 0203 538 0907.
Emergency: same day across Finchley. Planned: 1-2 weeks. Call 0203 538 0907.
Yes. Full 10-year workmanship guarantee on all roof cleaning & moss removal in Finchley.
Extensive moss colonisation from shaded tree-lined streets is Finchley's signature issue — it lifts tile edges and retains moisture against the surface. Hip and ridge mortar failur Call 0203 538 0907.
£5m public liability, £10m employer's liability. NFRC registered. Certificates on request.
Yes. Heritage materials, planning support. Extensive experience across Finchley.
References from Finchley homeowners available. Plus 127 verified Google reviews from across North London.
No call-out fees. No obligation. Just an honest quote from a local Finchley roofer who'll turn up when they say they will.
0203 538 0907